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Winning is matter of decisions

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andressimancasmateus

This is an edition of a live game played by the players mentioned below (taken with all respect). Now, in this particular situation (white moving) both sides have clear mating proposes, but the true is that white is astonishingly better and has some immediate moves that leave black completely defeated. Then:

which of them would you consider?, and 

which of them would you defenitely choose?

 

BigDoggProblem

Rxg7+ and Bb2+ looks promising.

Edit: Hmm, but ...Rf6.

Edit2:



Irontiger

Rg5 and with a different idea Re8 are on the table too. (1.Re8 Rxd7 ? 2.Qe6+ Rf7 3.Rxf8+ Kxf8 4.Qc8+ and Black will not survive this, so the pawn is taboo).

But Rg5 looks like a mate in XXX or huge material loss, so I would go for that.

andressimancasmateus

Great work. Now, what would happen if white plays a semi "passive" move like 1. (Bb2)?. Does it create the same advantage, or is it a mistake?

Irontiger
andressimancasmateus wrote:

Great work. Now, what would happen if white plays a semi "passive" move like 1. (Bb2)?. Does it create the same advantage, or is it a mistake?

1.Bb2 Rxf5 opens the tactical Pandora box (totally unclear outcome to me). So no way it is better than 1.Rg5 (which wins without a lot of trouble).

andressimancasmateus

You have a point, it is risky. But look at the line you are saying: 1. Bb2 Rxf4 (not Rxf5) It loses to Qe6+!, that has a pretty clear ending.

Irontiger
andressimancasmateus wrote:

You have a point, it is risky. But look at the line you are saying: 1. Bb2 Rxf4 (not Rxf5) It loses to Qe6+!, that has a pretty clear ending.

True.

Well, it should work then. But when thinking about that position, as soon as I see Rg5 winning without risk, I play it. So, I would go for that.

andressimancasmateus

http://www.chess.com/forum/view/more-puzzles/winning-is-matter-of-decisions-2